{"product_id":"fsp-dagger-pro-850w-sfx-power-supply-compact-atx3-1-pcie-5-1","title":"FSP Dagger Pro 850W SFX Power Supply - Compact ATX3.1 PCIe 5.1","description":"\u003cp\u003eIn this review the FSP Dagger Pro 850W is presented as a compact, high-efficiency power supply aimed at small form factor builders who need native PCIe 5.1 support and reliable continuous power. The bottom line: this unit is best for Mini-ITX and Micro ATX systems that demand an updated ATX 3.1 spec and the native 12VHPWR connector, because it pairs a fully modular layout and 80 PLUS Gold efficiency with a single +12V rail for stable GPU delivery.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eATX 3.1 \/ PCIe 5.1 compliant:\u003c\/strong\u003e Provides a native 12VHPWR connector and cable to support next-generation graphics cards without adapters for cleaner power delivery.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFully modular design:\u003c\/strong\u003e Lets builders install only the cables they need to improve airflow and reduce cable clutter inside small cases.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompact SFX size:\u003c\/strong\u003e Fits most Mini-ITX and Micro ATX enclosures, making it a practical choice for small form factor gaming or workstation rigs.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e80 PLUS Gold efficiency:\u003c\/strong\u003e Delivers more than 90% efficiency at typical loads to lower wasted power, heat output, and operating noise.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSingle +12V rail:\u003c\/strong\u003e Offers a unified 12V rail so VGA cards can draw full power without worrying about multi-rail balancing issues.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMade in Taiwan with long warranty:\u003c\/strong\u003e Backed by a 10 year warranty which indicates confidence in durability and long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Dagger Pro 850W is aimed at SFF enthusiasts and builders who want a compact, high-capacity supply that supports modern GPUs with a native 12VHPWR connector. It suits people building compact gaming rigs, small workstations, or home lab machines where space is limited but power demands are high.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who do not need the native PCIe 5.1 connector or 850W capacity, or buyers focused solely on the lowest possible price. Also, builders who require extreme modular customization beyond the supplied cables should verify the included cable set before purchase.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eCompact SFX footprint makes it easy to install in tight Mini-ITX and Micro ATX cases.\u003c\/li\u003e\n \u003cli\u003eFully modular cabling improves airflow and simplifies cable management for clean builds.\u003c\/li\u003e\n \u003cli\u003e80 PLUS Gold efficiency keeps heat and noise down while saving on wasted power.\u003c\/li\u003e\n \u003cli\u003e10 year warranty and Taiwan manufacture provide reassurance on build quality and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eSome customers report mixed experiences with modularity and cable preferences, so cable set expectations should be checked before buying.\u003c\/li\u003e\n \u003cli\u003eAt 850W, it may be more capacity than needed for typical small home PCs, adding cost vs lower wattage options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFSP\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDagger Pro 850W\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eSFX (compact)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e80 PLUS Gold (over 90% typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eATX Spec\u003c\/td\u003e\n\u003ctd\u003eATX 3.1 \/ PCIe 5.1 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eNative 12VHPWR (PCIe 5.1) cable included\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e10 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe FSP Dagger Pro 850W is a smart choice for small form factor builders who need modern GPU support and reliable, efficient power delivery. Its fully modular layout, native 12VHPWR connector, and 80 PLUS Gold efficiency make it a compelling value for compact gaming and workstation rigs, especially when longevity and quiet operation matter.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include a 12VHPWR cable?\u003c\/strong\u003e\u003cbr\u003eYes, the unit ships with a native 12VHPWR cable to support PCIe 5.1 graphics cards without adapters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit a Mini-ITX case?\u003c\/strong\u003e\u003cbr\u003eYes, the compact SFX size is designed for Mini-ITX and many Micro ATX enclosures, but check your case compatibility before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the cabling fully modular?\u003c\/strong\u003e\u003cbr\u003eYes, the power supply uses a fully modular cabling system so you can install only the cables you need for cleaner builds.\u003c\/p\u003e","brand":"FSP","offers":[{"title":"Default Title","offer_id":48184125423835,"sku":"B0C3WQ47CD","price":149.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61UP8jxu-CL._AC_SL1080.jpg?v=1769574013","url":"https:\/\/gearmusthave.com\/products\/fsp-dagger-pro-850w-sfx-power-supply-compact-atx3-1-pcie-5-1","provider":"GearMustHave","version":"1.0","type":"link"}